Zongshen 155 pit bike engine

Genuine Zongshen pit bike engine kit. This is the popular Zongshen 155 engine, which has a separate clutch cover for easier access and an oil filter integrated into the clutch cover. The engine has proven itself over years of sales. Its displacement can be increased from 155 to 175 using a big bore kit.

Kit contents – see photo

• engine type: 4-stroke, two-valve, oil-cooled
• displacement: 155 cc
• bore x stroke: 60 mm × 55 mm
• starting: kick-start lever (16 mm)
• clutch type: wet, multi-plate, 6-plate
• gearbox: four-speed
• gear shift pattern: N-1-2-3-4
• power: 17 hp/ 9500 rpm
• torque: 11.5 N·m/ 8000 rpm
• oil filter: integrated into the clutch cover
• engine weight without accessories, including oil: 21.5 kg